package com.nowcoder.community.util;/**
 * @description:
 * @Author HP
 * @create 2021/12/29 16:20
 */

/**
 * @author HP
 * @create 2021-12-29 16:20
 * @desc redis的key的工具包
 **/
public class RedisKeyUtil {
    private static final String SPLIT = ":";
    private static final String PREFIX_ENTITY_LIKE = "like:entity";
    private static final String PREFIX_USER_LIKE="like:user";
    private static final String PREFIX_FOLLOWEE="followee";
    private static final String PREFIX_FOLLOWER="follower";
    private static final String PREFIX_KAPTCHA = "kaptcha";
    private static final String PREFIX_TICKET = "ticket";
    private static final String PREFIX_USER = "user";
    private static final String PREFIX_UV = "uv";
    private static final String PREFIX_DAU = "dau";
    private static final String PREFIX_POST="post";

    //某个实体的赞
    //like:entity:entityType:entityId - > set(userId)(之所以用set是因为可以存储点赞的人，方便更多的功能使用)
    public static String getEntityLikeKey(int entityType, int entityId) {
        return PREFIX_ENTITY_LIKE + SPLIT + entityType + SPLIT + entityId;
    }

    // 某个用户的赞
    // like:user:userId -> int
    public static String getUserLikeKey(int userId) {
        return PREFIX_USER_LIKE + SPLIT + userId;
    }

    // 某个用户关注的实体
    // followee:userId:entityType -> zset(entityId,now)
    public static String getFolloweeKey(int userId, int entityType) {
        return PREFIX_FOLLOWEE + SPLIT + userId + SPLIT + entityType;
    }

    // 某个实体拥有的粉丝
    // follower:entityType:entityId -> zset(userId,now)
    public static String getFollowerKey(int entityType, int entityId) {
        return PREFIX_FOLLOWER + SPLIT + entityType + SPLIT + entityId;
    }

    // 登录验证码
    public static String getKaptchaKey(String owner) {
        return PREFIX_KAPTCHA + SPLIT + owner;
    }

    // 登录的凭证
    public static String getTicketKey(String ticket) {
        return PREFIX_TICKET + SPLIT + ticket;
    }

    // 用户
    public static String getUserKey(int userId) {
        return PREFIX_USER + SPLIT + userId;
    }

    // 单日
    public static String getUVKey(String date){
        return PREFIX_UV + SPLIT + date;
    }

    // 区间UV
    public static String getUVKey(String startDate,String endDate){
        return PREFIX_UV + SPLIT + startDate + SPLIT +endDate;
    }

    //单日活跃用户
    public static String getDAUKey(String date){
        return PREFIX_DAU + SPLIT + date;
    }

    //区间活跃用户
    public static String getDAUKey(String startDate,String endDate){
        return PREFIX_DAU + SPLIT + startDate + SPLIT +endDate;
    }

    //帖子分数
    public static String getPostScoreKey(){
        return PREFIX_POST + SPLIT + "score";
    }
}
